World's Best Scientists 2026 revealed!

D-Index & Metrics

Computer Science

D-Index
45
Citations
14400
World Ranking
7022
National Ranking
3077

Research.com Recognitions

  • 2008 - ACM Fellow For contributions to query processing and query languages.

Overview

Hamid Pirahesh is affiliated with IBM in the United States and has a research focus spanning several areas within computer science. Their work is primarily concentrated in the fields of cloud computing and resource management, advanced database systems and queries, and distributed systems with fault tolerance.

The main fields of study for Hamid Pirahesh include:

  • Computer Science

Within this broad domain, their subfields of research cover:

  • Computer Networks and Communications
  • Information Systems

The primary topics addressed in their research are:

  • Cloud Computing and Resource Management
  • Advanced Database Systems and Queries
  • Distributed systems and fault tolerance

Hamid Pirahesh has contributed to publications in venues such as:

  • Proceedings of the VLDB Endowment

Their recent scholarly output includes the paper titled "Db2 event store", published in 2020 in the Proceedings of the VLDB Endowment.

Collaboration has been a feature of their research, with frequent co-authors including:

  • Christian Garcia-Arellano
  • Hamdi Roumani
  • Richard Sidle
  • Josh Tiefenbach
  • Kostas Rakopoulos

Hamid Pirahesh has been recognized by the ACM, having received the ACM Fellow award in 2008 for contributions related to query processing and query languages.

Best Publications

  • Data cube: a relational aggregation operator generalizing GROUP-BY, CROSS-TAB, and SUB-TOTALS

    J. Gray;A. Bosworth;A. Lyaman;H. Pirahesh

  • ARIES: a transaction recovery method supporting fine-granularity locking and partial rollbacks using write-ahead logging

    C. Mohan;Don Haderle;Bruce Lindsay;Hamid Pirahesh

  • Efficiently Publishing Relational Data as XML Documents

    Jayavel Shanmugasundaram;Eugene J. Shekita;Rimon Barr;Michael J. Carey

  • Extensible/rule based query rewrite optimization in Starburst

    Hamid Pirahesh;Joseph M. Hellerstein;Waqar Hasan

  • Extensible query processing in starburst

    L. M. Haas;J. C. Freytag;G. M. Lohman;H. Pirahesh

  • The Asilomar report on database research

    Phil Bernstein;Michael Brodie;Stefano Ceri;David DeWitt

  • Starburst mid-flight: as the dust clears (database project)

    L.M. Haas;W. Chang;G.M. Lohman;J. McPherson

  • Robust query processing through progressive optimization

    Volker Markl;Vijayshankar Raman;David Simmen;Guy Lohman

  • Middle-tier database caching for e-business

    Qiong Luo;Sailesh Krishnamurthy;C. Mohan;Hamid Pirahesh

  • Extensions to Starburst: objects, types, functions, and rules

    Guy M. Lohman;Bruce Lindsay;Hamid Pirahesh;K. Bernhard Schiefer

  • The Magic of Duplicates and Aggregates

    Inderpal Singh Mumick;Hamid Pirahesh;Raghu Ramakrishnan

  • A snapshot differential refresh algorithm

    Bruce Lindsay;Laura Haas;C. Mohan;Hamid Pirahesh

  • Alert: An Architecture for Transforming a Passive DBMS into an Active DBMS

    Ulf Schreier;Hamid Pirahesh;Rakesh Agrawal;C. Mohan

  • A framework for using materialized XPath views in XML query processing

    Andrey Balmin;Fatma Özcan;Kevin S. Beyer;Roberta J. Cochrane

  • Answering complex SQL queries using automatic summary tables

    Markos Zaharioudakis;Roberta Cochrane;George Lapis;Hamid Pirahesh

  • Efficient and flexible methods for transient versioning of records to avoid locking by read-only transactions

    C. Mohan;Hamid Pirahesh;Raymond Lorie

  • Complex query decorrelation

    P. Seshadri;H. Pirahesh;T.Y.C. Leung

  • Cache tables: paving the way for an adaptive database cache

    Mehmet Altinel;Christof Bornhövd;Sailesh Krishnamurthy;C. Mohan

  • System RX: one part relational, one part XML

    Kevin Beyer;Roberta J. Cochrane;Vanja Josifovski;Jim Kleewein

  • Data Cube: A Relational Aggregation Operator Generalizing Group-By, Cross-Tab, and Sub-Totals

    Jim Gray;Surajit Chaudhuri;Adam Bosworth;Andrew Layman

Frequent Co-Authors

Chandrasekaran Mohan
Chandrasekaran Mohan IBM (United States)
Guy M. Lohman
Guy M. Lohman IBM (United States)
Bruce G. Lindsay
Bruce G. Lindsay IBM (United States)
Berthold Reinwald
Berthold Reinwald IBM (United States)
Raghu Ramakrishnan
Raghu Ramakrishnan Microsoft (United States)
Vijayshankar Raman
Vijayshankar Raman Google (United States)
Eugene J. Shekita
Eugene J. Shekita Google (United States)
Joseph M. Hellerstein
Joseph M. Hellerstein University of California, Berkeley
Volker Markl
Volker Markl Technical University of Berlin

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Studying Computer Science in the USA often overlaps with related fields that offer unique online degree and certification opportunities. For those interested in a strong theoretical foundation, an online theoretical physics degree can reinforce math, problem-solving, and analytical skills relevant to computer modeling and AI.

Data science is another popular, tech-driven career choice. Finding the cheapest master in data science helps students gain specialized knowledge in analytics, machine learning, and big data—skills highly desired by employers.

If you’re seeking a technical or engineering-centric pathway, consider an online bachelor’s in electrical engineering. This degree broadens opportunities in hardware development, embedded systems, and IoT, which complement Computer Science careers.

Finally, short-term certifications that pay well are ideal for quickly boosting your credentials in fields like cybersecurity, cloud computing, or IT management, making you more competitive in the tech job market.

Best Scientists Citing Hamid Pirahesh

Trending Scientists

Recently Published Articles